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Oxygen

Oxygen is a colorless, odorless and tasteless gas with the chemical symbol O2. It is a vital element for the survival of life and makes up a large part of the atmosphere.

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Physical Properties
  • Oxygen is a colorless gas at room temperature and atmospheric pressure.

  • It has a boiling point of -183 °C and a freezing point of -219 °C.

  • Oxygen is the second densest gas in the atmosphere, behind nitrogen.

 

Production
  • Oxygen can be obtained by separation from the atmosphere or by industrial processes.

  • Fractional distillation is a widely used method of separating oxygen from the atmosphere. In this process, liquid air is used to separate gases at different temperatures.

 

Areas of Use
  • Medical Use: Oxygen is used in medical fields by supplying it to patients through respirators and oxygen cylinders.

  • Metal Cutting and Welding: Oxygen is used for cutting and welding metals. High temperatures can be achieved when oxygen is combined with a flammable gas.

  • Chemical Industry: Oxygen is used to accelerate oxidation reactions in many chemical processes.

  • Space and Aviation: Oxygen is used in rocket fuels and oxygen masks in airplanes.

  • Food Industry: It is used in food packages, especially in the packaging of fresh meat, fish or cut fruit and vegetables.

General Features
  • Oxygen is essential for cellular respiration of living organisms. Cells produce energy by burning oxygen.

  • The respiratory system ensures that oxygen is taken into the body and carbon dioxide is removed.

 

Safety
  • Oxygen can be flammable when in contact with combustible materials. It must not be brought near open flames or fire.

  • Oxygen cylinders and systems must be designed and used in accordance with safety standards.

Oxygen is a vital gas and is used in many industries and medical applications. However, safety rules must be observed during its use, as it can be dangerous due to its flammable properties.

Laboratuvarda Mühendisi
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